Get JFrame title

Source code below will show how to get JFrame title.

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COMPLETE SOURCE CODE FOR : GetJFrameTitle.java
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import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class GetJFrameTitle
{
public static void main(String[]args)
{
 //Create a JFrame with title ( My first window )
 JFrame frame=new JFrame("My first window");

 //Set default close operation for JFrame
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 //Set JFrame size
 frame.setSize(500,500);

 //Make JFrame visible
 frame.setVisible(true);

 //Create a message box that show JFrame title
 //Method getTitle() will get JFrame title
 JOptionPane.showMessageDialog(frame,"MY NAME IS : "+frame.getTitle());
}
}

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JUST COMPILE AND EXECUTE IT
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Determine when JFrame moved

Source code below will show you, how to determine when a JFrame is moved

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COMPLETE SOURCE CODE FOR : DetermineWhenAJFrameIsMoved.java
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import javax.swing.JFrame;
import javax.swing.JOptionPane;

import java.awt.event.ComponentEvent;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentListener;

public class DetermineWhenAJFrameIsMoved extends JFrame
{
//Create ComponentListener that will listen when JFrame is moving
ComponentListener cl=new ComponentAdapter()
{
 public void componentMoved(ComponentEvent event)
 {
  //Location that will show is base on top left corner of JFrame
  JOptionPane.showMessageDialog(null,"New location with :\n"+"X-coordinate : "+getLocation().getX()+"\n"+"Y-coordinate : "+getLocation().getY());
 }
};

public DetermineWhenAJFrameIsMoved()
{
 super("TRY MOVE ME");

 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 setSize(300,300);
 setVisible(true);

 //Add ComponentListener to JFrame
 addComponentListener(cl);
}

public static void main(String[]args)
{
 DetermineWhenAJFrameIsMoved dwajfir=new DetermineWhenAJFrameIsMoved();
}
}

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JUST COMPILE AND EXECUTE IT
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Determine when JFrame resized

Source code below will show you, how to determine when JFrame re sized.

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COMPLETE SOURCE CODE FOR : DetermineWhenAJFrameIsResized.java
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import javax.swing.JFrame;
import javax.swing.JOptionPane;

import java.awt.event.ComponentEvent;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentListener;

public class DetermineWhenAJFrameIsResized extends JFrame
{
//Create ComponentListener that will listen when JFrame is resizing
ComponentListener cl=new ComponentAdapter()
{
 public void componentResized(ComponentEvent event)
 {
  JOptionPane.showMessageDialog(null,"New size with :\n"+"WIDTH : "+getSize().width+"\n"+"HEIGHT : "+getSize().height);
 }
};

public DetermineWhenAJFrameIsResized()
{
 super("TRY RESIZE ME");

 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 setSize(300,300);
 setVisible(true);

 //Add ComponentListener to JFrame
 addComponentListener(cl);
}

public static void main(String[]args)
{
 DetermineWhenAJFrameIsResized dwajfir=new DetermineWhenAJFrameIsResized();
}
}

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JUST COMPILE AND EXECUTE IT
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Draw rectangle in JFrame

Source code below will show how to draw rectangle in JFrame.

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COMPLETE SOURCE CODE FOR : DrawRectangleInJFrame.java
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import javax.swing.JFrame;

import java.awt.Graphics;
import java.awt.Color;

public class DrawRectangleInJFrame extends JFrame
{
public DrawRectangleInJFrame()
{
 //Set JFrame title
 super("Draw A Rectangle In JFrame");

 //Set default close operation for JFrame
 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 //Set JFrame size
 setSize(400,400);

 //Make JFrame visible 
 setVisible(true);
}

public void paint(Graphics g)
{
 super.paint(g);

 //draw rectangle outline
 g.drawRect(50,50,300,100);

 //set color to RED
 //So after this, if you draw anything, all of it's result will be RED
 g.setColor(Color.RED);

 //fill rectangle with RED
 g.fillRect(50,50,300,100);
}

public static void main(String[]args)
{
 DrawRectangleInJFrame dlijf=new DrawRectangleInJFrame();
}
}

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JUST COMPILE AND EXECUTE IT
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